Home / 923,294.25-1,385,020.71-324,203.94

Finding the Fourth Proportional to 923,294.25, 1,385,020.71 and 324,203.94

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Solution

The fourth proportional to 923,294.25, 1,385,020.71 and 324,203.94 is: 486,333.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,294.25 : 1,385,020.71 = 324,203.94 : x
  2. Step 2: Convert to fraction form
    923,294.25/1,385,020.71 = 324,203.94/x
  3. Step 3: Cross multiply
    923,294.25x = 1,385,020.71 × 324,203.94
  4. Step 4: Simplify right side
    923,294.25x = 449,029,171,163.60
  5. Step 5: Solve for x
    x = 449,029,171,163.60/923,294.25
  6. Step 6: Final answer
    x = 486,333.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.